210017840

素因数分解:

$2^4\times 5^1\times {\mathrm{2625223}}^1$

素因数の和:2625236

約数の個数: 20

約数和(自身を含む): 488291664

約数和(自身を除く): 278273824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2625223, 5250446, 10500892, 13126115, 21001784, 26252230, 42003568, 52504460, 105008920, 210017840]

約数ペア:

[(1, 210017840), (2, 105008920), (4, 52504460), (5, 42003568), (8, 26252230), (10, 21001784), (16, 13126115), (20, 10500892), (40, 5250446), (80, 2625223)]